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Finding the Fourth Proportional to 162,611.73, 243,980.47 and 62,744.19

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Solution

The fourth proportional to 162,611.73, 243,980.47 and 62,744.19 is: 94,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,611.73 : 243,980.47 = 62,744.19 : x
  2. Step 2: Convert to fraction form
    162,611.73/243,980.47 = 62,744.19/x
  3. Step 3: Cross multiply
    162,611.73x = 243,980.47 × 62,744.19
  4. Step 4: Simplify right side
    162,611.73x = 15,308,357,923.36
  5. Step 5: Solve for x
    x = 15,308,357,923.36/162,611.73
  6. Step 6: Final answer
    x = 94,140.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.